73512242 has 4 divisors (see below), whose sum is σ = 110268366. Its totient is φ = 36756120.

The previous prime is 73512239. The next prime is 73512247. The reversal of 73512242 is 24221537.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 2430481 = 8431^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (73512247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18378059 + ... + 18378062.

Almost surely, 2^73512242 is an apocalyptic number.

73512242 is a deficient number, since it is larger than the sum of its proper divisors (36756124).

73512242 is a wasteful number, since it uses less digits than its factorization.

73512242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36756123.

The product of its digits is 3360, while the sum is 26.

The square root of 73512242 is about 8573.9280379532. The cubic root of 73512242 is about 418.9091913642.

Adding to 73512242 its reverse (24221537), we get a palindrome (97733779).

The spelling of 73512242 in words is "seventy-three million, five hundred twelve thousand, two hundred forty-two".